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Posted to dev@pig.apache.org by "Haitao Yao (JIRA)" <ji...@apache.org> on 2012/09/13 05:27:07 UTC

[jira] [Updated] (PIG-2917) SpillableMemoryManager memory leak for WeakReference

     [ https://issues.apache.org/jira/browse/PIG-2917?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Haitao Yao updated PIG-2917:
----------------------------

    Patch Info: Patch Available
    
> SpillableMemoryManager memory leak for WeakReference
> ----------------------------------------------------
>
>                 Key: PIG-2917
>                 URL: https://issues.apache.org/jira/browse/PIG-2917
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.11
>            Reporter: Haitao Yao
>
> Sine the SpillableMemoryManager subscribed the memory notifications, and hold a weak reference of all the spillable, if there's too many weak reference and the memory exceeds the threshold, the current code will not clear the spillable weak references.
> the details is illustrated in the attached screenshot of a MemoryAnalyzer.
> So we need to clear the spillables when the memory notifications is received.

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